Dual Disc Surface Grinder for spectroscopic sample preparation of steels and irons, coarse and fine grinding possible on two seperate discs of 350 mm dia. which are dynamically balanced, two individual driving motors(2,2 kW each)  with two speeds 1400/2800 rpm, suction created by special design retaining the abrasive paper on the disk(no need to glue or fix), discs covered halfway by lids allowing grinding only on a segment, dedusting system with spark trap and easily replacable filters, with interlocking safety switch not allowing the top cover being opened before the motors are stopped, ergonomically designed and ready for operation.(wooden packing included) 400V, 3-phase, 50 Hz.